US Bridges

Arnold Avenue over Lillibridge Creek

PoorPosted for load

McKean County, Pennsylvania · Arnold / Broad ST Inter · Structure no. 000000000025621

Built
1957
68 years old
Condition
Poor
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
400
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Arnold Avenue over Lillibridge Creek is a prestressed concrete box beam or girders - multiple carrying Arnold Avenue over Lillibridge Creek in McKean County, Pennsylvania. It was built in 1957, so it is 68 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 400 vehicles a day, roughly 20% of them trucks, projected to reach 500 by 2038. The structure is 62 ft (18.9 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesArnold Avenue
CrossesLillibridge Creek
LocationArnold / Broad ST Inter
RouteCity Street 0
Coordinates41.81641, -78.27241
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33 US tons
Inventory rating16 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length62 ft (18.9 m)
Longest span59 ft (18 m)
Deck width52 ft (15.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2018)
Projected traffic500 by 2038
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Arnold Avenue over Lillibridge Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is Arnold Avenue over Lillibridge Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does Arnold Avenue over Lillibridge Creek carry?

About 400 vehicles per day (2018 count), of which roughly 20% are trucks.

How long is Arnold Avenue over Lillibridge Creek?

The structure is 62 ft (18.9 m) long with a longest span of 59 ft (18 m) and a deck 52 ft wide.

Who owns Arnold Avenue over Lillibridge Creek?

It is owned by the City or Municipal Highway Agency.